๐Ÿ›ก๏ธ CVE-2026-44214
๐ŸŸก CVSS 5.8 โ€” Medium โœ… No Known Exploit CWE-113 NVD
5.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

eventsource-encoder encodes events as well-formed EventSource/Server Sent Event (SSE) messages. Prior to 1.0.2, eventsource-encoder does not sanitize the event or id fields of an EventSourceMessage before serializing them. An attacker who controls either field can inject arbitrary Server-Sent Events line terminators (\n, \r, or \r\n) and thereby forge additional SSE fields or entire messages on the stream. This vulnerability is fixed in 1.0.2.

Details

Severity Medium
CVSS Score 5.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CWE CWE-113
Public Exploit โœ… No
Source NVD
Published 2026-05-08
Updated 2026-06-15
Modified 2026-06-08
Fix URL N/A

Affected Packages

Software From version Fixed in
eventsource-encoder โ€” โ€”
unknown โ€” โ€”

Exploit Protection

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